Rally
Gas Walk-Behind Mower

Model # RA375N20S Official Rally rotary lawn mower

Here are the diagrams and repair parts for Official Rally RA375N20S rotary lawn mower, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 38 parts  |

Pipe Fitting 132010
#27

Rotary mower diagram

Pipe fitting

Part #132010

Replaced by #532409149

?
Manufacturer substitution
This part replaces 132010. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.31
16% OFF Phone Price : $6.31
In Stock
Lawn Mower Blade Adapter 850977
#34

Rotary mower diagram

Lawn mower blade adapter

Part #850977

Replaced by #581547901

?
Manufacturer substitution
This part replaces 850977. Substitute parts can look different from the original.
BEST SELLER
$18.44
10% OFF Phone Price : $20.44
In Stock
Lawn & Garden Equipment Lock Nut 73800400
#6

Rotary mower diagram

Lawn & garden equipment lock nut

Part #73800400

Replaced by #582478602

?
Manufacturer substitution
This part replaces 73800400. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.64
27% OFF Phone Price : $3.64
In Stock
Nut 132004
#5

Rotary mower diagram

Nut

Part #132004

Replaced by #582478602

?
Manufacturer substitution
This part replaces 132004. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.64
27% OFF Phone Price : $3.64
In Stock
Guide.rope.s 194788
#2

Rotary mower diagram

Guide.rope.s

Part #194788

Replaced by #586122501

?
Manufacturer substitution
This part replaces 194788. Substitute parts can look different from the original.
This item is not returnable
$15.59
11% OFF Phone Price : $17.59
In Stock
Lawn Mower Cable Bracket 86899X004
#10

Rotary mower diagram

Lawn mower cable bracket

Part #86899X004

Replaced by #532430034

?
Manufacturer substitution
This part replaces 86899X004. Substitute parts can look different from the original.
In Stock
Tower Lawn Tractor Bolt (replaces 532002274, 532057968, 74760412x008) 74760412
#28

Rotary mower diagram

Tower lawn tractor bolt (replaces 532002274, 532057968, 74760412x008)

Part #74760412

Replaced by #874760412

?
Manufacturer substitution
This part replaces 74760412. Substitute parts can look different from the original.
This item is not returnable
$5.31
16% OFF Phone Price : $6.31
In Stock
Washer 61537
#16

Rotary mower diagram

Washer

Part #61537

Replaced by #596134901

?
Manufacturer substitution
This part replaces 61537. Substitute parts can look different from the original.
This item is not returnable
$3.98
20% OFF Phone Price : $4.98
In Stock
Axle Bolt 67609
#20

Rotary mower diagram

Axle bolt

Part #67609

Replaced by #532067609

?
Manufacturer substitution
This part replaces 67609. Substitute parts can look different from the original.
In Stock
American Yard Products Lawn Mower 20-in Deck Blade (replaces 129277, 134871, 145106cs, 145106ms, 145106wa, 145106x431, 146749, 146749wa, 33255, 532129277, 5321608-37, 5327009-72, 532751646, 700972, 701211wa, 751646, 850972, 850972wa) 145106
#26

Rotary mower diagram

American yard products lawn mower 20-in deck blade (replaces 129277, 134871, 145106cs, 145106ms, 145106wa, 145106x431, 146749, 146749wa, 33255, 532129277, 5321608-37, 5327009-72, 532751646, 700972, 701211wa, 751646, 850972, 850972wa)

Part #145106

Replaced by #532145106

?
Manufacturer substitution
This part replaces 145106. Substitute parts can look different from the original.
In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…